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प्रश्न
Fill in the blank
A ________ substance has only one kind of matter.
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उत्तर
A pure substance has only one kind of matter.
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संबंधित प्रश्न
Why is iron sulphide a compound ?
Write true or false
The constituents of a mixture can only be separated by chemical means
Name two methods by which solid-solid mixtures can be separated.
How is distillation method different from evaporation?
Name the following:
The non-sublimable solid from a mixture of iodine and potassium nitrate.
State any one method – to separate the following mixtures – Two solid mixtures one of which – directly changes into vapour on heating.
Select the correct answer from the choice given below to complete the sentence :
The reactive element from the two monoatomic elements is _____________.
How can husk or fine dust particles be separated from rice before cooking?
What is meant by separation?
Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?
